Download CD3000M-3PH Thyristor Unit

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CD3000M-3PH from 15A to 90A
User’s Manual
11.5 Digital Output
CD3000M thyristor unit with HB option has 1 digital output with relay contact (Max 500mA, 125Vac) that
gives indications of the alarms state, the contacts can be (NO or NC).
11.5.1 HB alarm contact (Only with HB Option - see par. 9.2)
The standard contact used for this output is normally open (NO):
•
•
In normal conditions (without alarm) and with auxiliary power supply, the contact to the terminals
has opened (relay coil energized).
In alarm condition or without auxiliary power supply the contact to the terminals is closed
(relay coil not energized).
if you wish to change the alarm contact put the jumper as shown:
Caution: this procedure must be performed only by qualified persons
Main PCB
J19
CBA
Type
J19
NO (standard)
C-B
NC
B-A
30